CN109467906A - A kind of castor composite material and preparation method - Google Patents
A kind of castor composite material and preparation method Download PDFInfo
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- CN109467906A CN109467906A CN201811429765.1A CN201811429765A CN109467906A CN 109467906 A CN109467906 A CN 109467906A CN 201811429765 A CN201811429765 A CN 201811429765A CN 109467906 A CN109467906 A CN 109467906A
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- carbon fiber
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- 235000004443 Ricinus communis Nutrition 0.000 title claims abstract description 54
- 239000002131 composite material Substances 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 104
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 53
- 239000004917 carbon fiber Substances 0.000 claims abstract description 53
- 238000005299 abrasion Methods 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- 239000000843 powder Substances 0.000 claims abstract description 31
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims abstract description 27
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims abstract description 27
- 239000000725 suspension Substances 0.000 claims abstract description 25
- 230000004048 modification Effects 0.000 claims abstract description 24
- 238000012986 modification Methods 0.000 claims abstract description 24
- 239000003513 alkali Substances 0.000 claims abstract description 23
- 239000012745 toughening agent Substances 0.000 claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000004431 polycarbonate resin Substances 0.000 claims abstract description 18
- 229920005668 polycarbonate resin Polymers 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000000835 fiber Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 239000004760 aramid Substances 0.000 claims description 14
- 229920003235 aromatic polyamide Polymers 0.000 claims description 14
- 238000002525 ultrasonication Methods 0.000 claims description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- -1 compatilizer Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 239000002861 polymer material Substances 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 10
- 239000004417 polycarbonate Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000012994 photoredox catalyst Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000013068 control sample Substances 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 3
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical group COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920007019 PC/ABS Polymers 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of castor composite material and preparation methods, are related to technical field of polymer materials.The raw material of castor composite material includes the component of following parts by weight: 35-45 parts of polycarbonate resin；15-25 parts of acrylonitrile-butadiene-styrene copolymer；2-4 parts of compatilizer；6-10 parts of toughener；10-20 parts of graphite powder；3-5 parts of surface modified carbon fiber.The preparation step of surface modified carbon fiber is as follows: (1) by after carbon fiber cleaning, drying, being stirred and impregnated with hydrochloric acid solution, filtered, then cleaned with deionized water, obtain sour modified carbon fiber after dry；(2) sour modified carbon fiber is stirred with potassium hydroxide solution and is impregnated, filtered, cleaned with deionized water, obtain alkali modification carbon fiber after dry；(3) it takes abrasion-resistant metal powder to be dispersed in water to form suspension, adds alkali modification carbon fiber, after mixing evenly, filter, be dried to obtain surface modified carbon fiber.The present invention improves the wearability of material under the premise of not reducing the mechanical performance of material.
Description
Technical field
The present invention relates to technical field of polymer materials, more specifically, it relates to a kind of castor composite material and its system
Preparation Method.
Background technique
Conductive castor is exactly to have added conductive material inside castor material in fact, and conductive casters apply in general to eliminate factory's work
The electrostatic in industry area, and it is mute.6 powers that the electric conductivity of general conductive casters is 10, and the period on probation is long, even if wheel is broken,
It can also continue conduction.
A kind of anti-aging conduction PC and ABS blending is disclosed in the Chinese invention patent of Publication No. CN104629312A
Alloy, component match by weight percent are as follows: and PC40%~60%, ABS 20%~30%, blanc fixe 8%~
12%, conductive black 10%~15%, toughener 3%~8%, antiager 1%~3%, compatilizer 0.5%~3%, antioxygen
Agent 0.1%~0.5%, lubricant 0.5%~1%.
Using PC and ABS as major ingredient in above-mentioned patent, and it is not added with the good abrasive material of wearability, therefore, is used for making
When castor, wearability is poor, and the castor service life is caused to shorten.
Summary of the invention
In view of the deficienciess of the prior art, the purpose of the present invention one is to provide a kind of castor composite material, have
The advantage that wearability is good, the service life is long.
The purpose of the present invention two is to provide a kind of preparation method of castor composite material, the good, service life with wearability
Long advantage.
To achieve the above object one, the present invention provides the following technical scheme that
A kind of castor composite material, raw material include the component of following parts by weight:
35-45 parts of polycarbonate resin；
15-25 parts of acrylonitrile-butadiene-styrene copolymer；
2-4 parts of compatilizer；
6-10 parts of toughener；
10-20 parts of graphite powder；
3-5 parts of surface modified carbon fiber；
The preparation step of the surface modified carbon fiber is as follows:
(1) it by after carbon fiber cleaning, drying, is stirred and is impregnated with hydrochloric acid solution, filtered, then cleaned with deionized water, after dry
Obtain sour modified carbon fiber；
(2) sour modified carbon fiber is stirred with potassium hydroxide solution and is impregnated, filtered, cleaned with deionized water, obtain alkali after dry
Modified carbon fiber；
(3) it takes abrasion-resistant metal powder to be dispersed in water to form suspension, adds alkali modification carbon fiber, after mixing evenly, filter, do
It is dry to obtain surface modified carbon fiber.
By using above-mentioned technical proposal, salt acid dip can remove the ash content in active carbon, using hydrochloric acid and hydroxide
Sodium is modified carbon fiber, in carbon fiber surface aperture, reaming, creates new bore, and then form flourishing pore structure, increases
The Kong Rong of big carbon fiber.Carbon fiber increases the acid oxygen-containing functional group and the oxygen-containing function of alkalinity on its surface while modified
Group, to enhance carbon fiber to the adsorption capacity of polarity or apolar substance.Polycarbonate resin abbreviation PC, acrylic nitrile-butadiene
Diene-styrene copolymer abbreviation ABS, PC/ABS composite material combines the excellent characteristics of two kinds of materials, the molding of ABS material
Property and the properties such as mechanicalness, impact strength and the heatproof of PC, uvioresistant (UV).Abrasion-resistant metal powder enters the sky of carbon fiber surface
In gap, the wear-resisting property of carbon fiber both can be enhanced, and increased the compatibility of abrasion-resistant metal powder, carbon fiber and PC, ABS,
Under the premise of not reducing the mechanical performance of material, the wearability of material is improved, and is prolonged the service life.
Compatilizer is maleic anhydride grafted ABS or phenylethylene/maleic anhydride copolymer compatilizer.
Toughener is selected from copolymer, thermoplastic polyurethane elastomer, the metering system of methacrylate and acrylate
Any one in sour methyl esters.
Further preferably, the abrasion-resistant metal powder is in nano molybdenum disulfide, nanometer tungsten carbide, nano aluminium oxide
Any one.
By using above-mentioned technical proposal, molybdenum disulfide makes material generate a surface harder and compared with abrasion-resistant.Two sulphur
Changing molybdenum has very high affinity, it is easy to clog in the pore of carbon fiber, and material surface is made to become more sliding.
Nanometer tungsten carbide is other than hardness height, and there are also the excellent characteristics such as wear-resistant, corrosion-resistant, high temperature resistant.
Nano aluminium oxide even particle size distribution, purity is high, fabulous dispersion, with high temperature resistant, hardness it is high and wear-resisting excellent
Point can significantly improve the wearability of material.
Further preferably, the solid-to-liquid ratio of suspension is 5-15g/L in the step (3).
By using above-mentioned technical proposal, makes a certain amount of abrasion-resistant metal powder of load in the micropore of carbon fiber, avoid metal
Abrasion-resistant powder load capacity deficiency causes abrasive resistance poor or abrasion-resistant metal powder is adhered to carbon fiber surface too much, improves material
Wearability.
Further preferably, the solid-to-liquid ratio of alkali modification carbon fiber and suspension is 50-100g/L in the step (3).
By using above-mentioned technical proposal, control solid-to-liquid ratio is conducive to alkali modification carbon fiber and is sufficiently suspended in suspension,
So that abrasion-resistant metal powder is well into the micropore of carbon fiber.
Further preferably, ultrasonication is carried out after mixing evenly in the step (3), the power of ultrasonication is
150-200W handles time 15-25min.
By using above-mentioned technical proposal, ultrasonication is used while dipping, on the one hand accelerates abrasion-resistant metal powder
Into the speed of carbon fiber micropore, is on the other hand conducive to abrasion-resistant metal powder and is evenly distributed in the micropore of carbon fiber, avoid gold
Belong to abrasion-resistant powder to be unevenly distributed.
Further preferably, raw material further includes aromatic polyamide fibre, the weight of the aromatic polyamide fibre
Number is 4-8 parts.
By using above-mentioned technical proposal, be most it is soft most without scrape damage property fiber, compounding with surface modified carbon fiber makes
With rear, the wearability of material is further enhanced.
To achieve the above object two, the present invention provides the following technical scheme that
A kind of preparation method of castor composite material, comprising the following steps:
Step 1 mixes polycarbonate resin, acrylonitrile-butadiene-styrene copolymer, compatilizer, toughener, graphite powder
It stirs evenly, adds surface modified carbon fiber, melt, be uniformly dispersed, obtain mixed material；
Step 2 is squeezed out by mixed material through frit reaction, and granulation obtains castor composite material.
By using above-mentioned technical proposal, carbon fiber increases the acid oxygen-containing functional group on its surface while modified
With alkaline oxygen-containing functional group, to enhance carbon fiber to the adsorption capacity of polarity or apolar substance, abrasion-resistant metal powder enters
In the gap of carbon fiber surface, the wear-resisting property of carbon fiber both can be enhanced, and increase abrasion-resistant metal powder, carbon fiber with
The compatibility of PC, ABS improve the wearability of material under the premise of not reducing the mechanical performance of material, and extend using the longevity
Life.
Further preferably, melting is melted using microwave heating in the step 1, and heating temperature is 220-250 DEG C, is added
Hot time 10-20min.
By using above-mentioned technical proposal, since the metallized metal abrasion-resistant powder of nano-scale can effectively absorb microwave energy
Amount, sufficiently heating, reduces the porosity, so that material density is higher, to promote the wearability of material from the inside to the outside.
In conclusion compared with prior art, the invention has the following advantages:
(1) carbon fiber of the invention increases the acid oxygen-containing functional group and the oxygen-containing function of alkalinity on its surface while modified
Group, to enhance carbon fiber to the adsorption capacity of polarity or apolar substance, abrasion-resistant metal powder enters the sky of carbon fiber surface
In gap, the wear-resisting property of carbon fiber both can be enhanced, and increased the compatibility of abrasion-resistant metal powder, carbon fiber and PC, ABS,
Under the premise of not reducing the mechanical performance of material, the wearability of material is improved, and is prolonged the service life；
(2) present invention is conducive to alkali modification carbon fiber and is sufficiently suspended in suspension, so that abrasion-resistant metal by control solid-to-liquid ratio
Powder uses ultrasonication well into the micropore of carbon fiber while dipping, on the one hand accelerates abrasion-resistant metal powder and enters
On the other hand the speed of carbon fiber micropore is conducive to abrasion-resistant metal powder and is evenly distributed in the micropore of carbon fiber, avoids metal resistance to
Milling is unevenly distributed；
(3) it is melted by using microwave heating, the metallized metal abrasion-resistant powder of nano-scale can effectively absorb microwave energy, from interior
To outer abundant heating, the porosity is reduced, so that material density is higher, to promote the wearability of material.
Detailed description of the invention
Fig. 1 is the flow chart of preparation method of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment 1: a kind of castor composite material, raw material include the component of following parts by weight:
35 parts of polycarbonate resin；
25 parts of acrylonitrile-butadiene-styrene copolymer；
2 parts of compatilizer；
6 parts of toughener；
10 parts of graphite powder；
3 parts of surface modified carbon fiber；
Compatilizer is maleic anhydride grafted ABS, and toughener is methyl methacrylate, and abrasion-resistant metal powder is nano molybdenum disulfide.
The preparation step of surface modified carbon fiber is as follows:
(1) carbon fiber acid is modified: after carbon fiber cleaning, drying, stirring dipping 1h with 1mol/L hydrochloric acid solution, filters, then
It is cleaned with deionized water, obtains sour modified carbon fiber after dry；
(2) alkali modification of sour modified carbon fiber: stirring dipping 1h with 1mol/L sodium hydroxide solution for sour modified carbon fiber and filter,
It is cleaned with deionized water, obtains alkali modification carbon fiber after dry；
(3) the carbon fiber loaded abrasion-resistant metal powder of alkali modification: abrasion-resistant metal powder is taken to be dispersed in water to form suspension, suspension is consolidated
Liquor ratio is 5g/L, adds alkali modification carbon fiber, and the solid-to-liquid ratio of alkali modification carbon fiber and suspension is 50g/L, after mixing evenly,
It filters, is dried to obtain surface modified carbon fiber.
A kind of preparation method of castor composite material, and the following steps are included:
Step 1 mixes polycarbonate resin, acrylonitrile-butadiene-styrene copolymer, compatilizer, toughener, graphite powder
It stirs evenly, adds surface modified carbon fiber, melt, be uniformly dispersed, obtain mixed material；
Step 2 is squeezed out by mixed material through frit reaction, and granulation obtains castor composite material.
The process of the preparation method of the preparation of surface modified carbon fiber and castor composite material such as Fig. 1 institute in the present embodiment
Show.
Embodiment 2: a kind of castor composite material, difference from example 1 is that, raw material includes following parts by weight
Several components:
45 parts of polycarbonate resin；
15 parts of acrylonitrile-butadiene-styrene copolymer；
3 parts of compatilizer；
8 parts of toughener；
14 parts of graphite powder；
4 parts of surface modified carbon fiber.
Embodiment 3: a kind of castor composite material, difference from example 1 is that, raw material includes following parts by weight
Several components:
40 parts of polycarbonate resin；
20 parts of acrylonitrile-butadiene-styrene copolymer；
4 parts of compatilizer；
10 parts of toughener；
20 parts of graphite powder；
5 parts of surface modified carbon fiber.
Embodiment 4: a kind of castor composite material, difference from example 1 is that, raw material includes following parts by weight
Several components:
37 parts of polycarbonate resin；
18 parts of acrylonitrile-butadiene-styrene copolymer；
4 parts of compatilizer；
7 parts of toughener；
12 parts of graphite powder；
5 parts of surface modified carbon fiber.
Embodiment 5: a kind of castor composite material, difference from example 1 is that, raw material includes following parts by weight
Several components:
42 parts of polycarbonate resin；
22 parts of acrylonitrile-butadiene-styrene copolymer；
4 parts of compatilizer；
9 parts of toughener；
18 parts of graphite powder；
5 parts of surface modified carbon fiber.
Embodiment 6: a kind of castor composite material, difference from example 1 is that, abrasion-resistant metal powder is nano silicon carbide
Tungsten.
Embodiment 7: a kind of castor composite material, difference from example 1 is that, abrasion-resistant metal powder is nano oxidized
Aluminium.
Embodiment 8: a kind of castor composite material, difference from example 1 is that, suspension consolidates in step (3)
Liquor ratio is 10g/L.
Embodiment 9: a kind of castor composite material, difference from example 1 is that, suspension consolidates in step (3)
Liquor ratio is 15g/L.
Embodiment 10: a kind of castor composite material, difference from example 1 is that, alkali modification carbon fiber in step (3)
Dimension and the solid-to-liquid ratio of suspension are 80g/L.
Embodiment 11: a kind of castor composite material, difference from example 1 is that, alkali modification carbon fiber in step (3)
Dimension and the solid-to-liquid ratio of suspension are 100g/L.
Embodiment 12: a kind of castor composite material, difference from example 1 is that, step (3) specifically includes: taking
Abrasion-resistant metal powder is dispersed in water to form suspension, and the solid-to-liquid ratio of suspension is 5g/L, adds alkali modification carbon fiber, alkali modification
The solid-to-liquid ratio of carbon fiber and suspension is 50g/L, carries out ultrasonication after mixing evenly, the power of ultrasonication is
150W handles time 25min, filters, is dried to obtain surface modified carbon fiber.
Embodiment 13: a kind of castor composite material, difference from example 1 is that, step (3) specifically includes: taking
Abrasion-resistant metal powder is dispersed in water to form suspension, and the solid-to-liquid ratio of suspension is 5g/L, adds alkali modification carbon fiber, alkali modification
The solid-to-liquid ratio of carbon fiber and suspension is 50g/L, carries out ultrasonication after mixing evenly, the power of ultrasonication is
180W handles time 18min, filters, is dried to obtain surface modified carbon fiber.
Embodiment 14: a kind of castor composite material, difference from example 1 is that, step (3) specifically includes: taking
Abrasion-resistant metal powder is dispersed in water to form suspension, and the solid-to-liquid ratio of suspension is 5g/L, adds alkali modification carbon fiber, alkali modification
The solid-to-liquid ratio of carbon fiber and suspension is 50g/L, carries out ultrasonication after mixing evenly, the power of ultrasonication is
200W handles time 15min, filters, is dried to obtain surface modified carbon fiber.
Embodiment 15: a kind of castor composite material, difference from example 1 is that, raw material further includes aromatic series
Fypro, the parts by weight of aromatic polyamide fibre are 4 parts, and step 1 specifically includes: by polycarbonate resin, third
Alkene nitrile-butadiene-styrene copolymer, compatilizer, toughener, graphite powder are mixed evenly, and add surface modified carbon fibre
Dimension, aromatic polyamide fibre, melting, are uniformly dispersed, obtain mixed material.
Embodiment 16: a kind of castor composite material, with embodiment 15 the difference is that, aromatic polyamide fibre
Parts by weight are 6 parts.
Embodiment 17: a kind of castor composite material, with embodiment 15 the difference is that, aromatic polyamide fibre
Parts by weight are 8 parts.
Embodiment 18: a kind of preparation method of castor composite material, difference from example 1 is that, step 1 tool
Body includes: that polycarbonate resin, acrylonitrile-butadiene-styrene copolymer, compatilizer, toughener, graphite powder are mixed
Uniformly, surface modified carbon fiber, aromatic polyamide fibre are added, is melted using microwave heating, heating temperature is 220 DEG C,
Heating time 20min, is uniformly dispersed, and obtains mixed material.
Embodiment 19: a kind of preparation method of castor composite material, difference from example 1 is that, step 1 tool
Body includes: that polycarbonate resin, acrylonitrile-butadiene-styrene copolymer, compatilizer, toughener, graphite powder are mixed
Uniformly, surface modified carbon fiber, aromatic polyamide fibre are added, is melted using microwave heating, heating temperature is 250 DEG C,
Heating time 10min, is uniformly dispersed, and obtains mixed material.
Embodiment 20: a kind of preparation method of castor composite material, difference from example 1 is that, step 1 tool
Body includes: that polycarbonate resin, acrylonitrile-butadiene-styrene copolymer, compatilizer, toughener, graphite powder are mixed
Uniformly, surface modified carbon fiber, aromatic polyamide fibre are added, is melted using microwave heating, heating temperature is 240 DEG C,
Heating time 14min, is uniformly dispersed, and obtains mixed material.
Embodiment 21: a kind of castor composite material, difference from example 1 is that, the weight of surface modified carbon fiber
Measuring number is 4 parts.
Embodiment 22: a kind of castor composite material, difference from example 1 is that, the weight of surface modified carbon fiber
Measuring number is 5 parts.
Comparative example 1: a kind of anti-aging conduction is disclosed in the Chinese invention patent using Publication No. CN104629312A
PC and ABS blend alloy is as composite material.
Comparative example 2: a kind of castor composite material, difference from example 1 is that, surface modified carbon fiber is replaced
The aromatic polyamide fibre for being 4 parts for parts by weight.
Comparative example 3: a kind of castor composite material, difference from example 1 is that, surface modified carbon fiber is replaced
For etc. parts by weight do not make the carbon fiber being surface-treated.
Comparative example 4: a kind of castor composite material, difference from example 1 is that, the weight of surface modified carbon fiber
Number is 1 part.
Comparative example 5: a kind of castor composite material, difference from example 1 is that, the weight of surface modified carbon fiber
Number is 7 parts.
Comparative example 6: a kind of preparation method of castor composite material, difference from example 1 is that, step 1 is specific
It include: that polycarbonate resin, acrylonitrile-butadiene-styrene copolymer, compatilizer, toughener, graphite powder, surface is modified
Carbon fiber is mixed evenly, and melting is uniformly dispersed, obtains mixed material.
Comparative example 7: a kind of preparation method of castor composite material, the difference is that, step 1 has with embodiment 18
Body includes: that polycarbonate resin, acrylonitrile-butadiene-styrene copolymer, compatilizer, toughener, graphite powder are mixed
Uniformly, surface modified carbon fiber, aromatic polyamide fibre are added, is melted using microwave heating, heating temperature is 270 DEG C,
Heating time 14min, is uniformly dispersed, and obtains mixed material.
Performance test
Test specimen: using the composite material obtained in embodiment 1-22 as test specimen 1-22, using being obtained in comparative example 1-7
The composite material obtained is as control sample 1-7.
Test method: it tests and tries according to method specified in GB/T3960-2016 plastic slide friction wear test method
Test the quality abrasion of sample 1-22 and comparative example 1-7.And use traditional test methods testing experiment sample 1-22 and comparative example 1-7
Compression strength.
Test result: the test result of test specimen 1-22 and control sample 1-7 are as shown in table 1.As shown in Table 1, it tests
The quality abrasion of sample 1,21,22 is reduced with the increase of the additive amount of surface modified carbon fiber, by control sample 2 and test sample
After the data of product 15-17 are it is found that be added aromatic polyamide fibre, the quality of material, which is worn, to be reduced, while adding fragrant adoption
When nylon and surface modified carbon fiber are more one of than independent addition, quality abrasion and coefficient of friction reduction amplitude are big, say
It is both bright that there is certain synergistic effect to the wearability for promoting material, and improve the compression strength of material.
By test specimen 1 and control sample 3-5 it is found that the quality of material can just be greatly reduced after carbon fiber surface modification
Abrasion and coefficient of friction, and the content of surface modified carbon fiber is too low, and wearability is without too big promotion, surface modified carbon fiber
Content it is too high, will affect its distributing homogeneity, the wearability of material is not promoted and reduced instead.
The test result of table 1 test specimen 1-22 and control sample 1-7
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of castor composite material, which is characterized in that its raw material includes the component of following parts by weight:
35-45 parts of polycarbonate resin；
15-25 parts of acrylonitrile-butadiene-styrene copolymer；
2-4 parts of compatilizer；
6-10 parts of toughener；
10-20 parts of graphite powder；
3-5 parts of surface modified carbon fiber；
The preparation step of the surface modified carbon fiber is as follows:
(1) it by after carbon fiber cleaning, drying, is stirred and is impregnated with hydrochloric acid solution, filtered, then cleaned with deionized water, after dry
Obtain sour modified carbon fiber；
(2) sour modified carbon fiber is stirred with potassium hydroxide solution and is impregnated, filtered, cleaned with deionized water, obtain alkali after dry
Modified carbon fiber；
(3) it takes abrasion-resistant metal powder to be dispersed in water to form suspension, adds alkali modification carbon fiber, after mixing evenly, filter, do
It is dry to obtain surface modified carbon fiber.
2. castor composite material according to claim 1, which is characterized in that the abrasion-resistant metal powder is selected from two sulphur of nanometer
Change molybdenum, nanometer tungsten carbide, any one in nano aluminium oxide.
3. castor composite material according to claim 1, which is characterized in that the solid-to-liquid ratio of suspension in the step (3)
For 5-15g/L.
4. castor composite material according to claim 1, which is characterized in that in the step (3) alkali modification carbon fiber with
The solid-to-liquid ratio of suspension is 50-100 g/L.
5. castor composite material according to claim 1, which is characterized in that carried out after mixing evenly in the step (3)
Ultrasonication, the power of ultrasonication are 150-200W, handle time 15-25min.
6. castor composite material according to claim 1, which is characterized in that its raw material further includes aromatic polyamide fibre
Dimension, the parts by weight of the aromatic polyamide fibre are 4-8 parts.
7. a kind of preparation method of castor composite material, which comprises the following steps:
Step 1 mixes polycarbonate resin, acrylonitrile-butadiene-styrene copolymer, compatilizer, toughener, graphite powder
It stirs evenly, adds surface modified carbon fiber, melt, be uniformly dispersed, obtain mixed material；
Step 2 is squeezed out by mixed material through frit reaction, and granulation obtains castor composite material.
8. the preparation method of castor composite material according to claim 7, which is characterized in that melting is adopted in the step 1
It is melted with microwave heating, heating temperature is 220-250 DEG C, heating time 10-20min.
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| CN112172414A (en) * | 2020-09-25 | 2021-01-05 | 浙江竤屹科技有限公司 | Composite material, airless tire with composite material and assembling method of airless tire |
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Denomination of invention: A composite material for casters and its preparation method Granted publication date: 20210427 Pledgee: Bank of China Limited Xiamen Haicang sub branch Pledgor: XIAMEN ZHONG CHEN YUAN TECHNOLOGY Co.,Ltd. Registration number: Y2024980012284 |